Quality Rating Summary
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Quality Criteria Checklist: Primary Research
  Cheng CH, Chen CH et al, 2002 Dickerson et al 2002
Overall Quality Rating Positive Positive
Relevance Questions
  1. Would implementing the studied intervention or procedure (if found successful) result in improved outcomes for the patients/clients/population group? (Not Applicable for some epidemiological studies) Yes  Yes 
  2. Did the authors study an outcome (dependent variable) or topic that the patients/clients/population group would care about? Yes  Yes 
  3. Is the focus of the intervention or procedure (independent variable) or topic of study a common issue of concern to dieteticspractice? Yes  Yes 
  4. Is the intervention or procedure feasible? (NA for some epidemiological studies) Yes  Yes 
 
Validity Questions
  1. Was the research question clearly stated? Yes  Yes 
  2. Was the selection of study subjects/patients free from bias? Yes  Yes 
  3. Were study groups comparable? Yes  Yes 
  4. Was method of handling withdrawals described? Yes  Yes 
  5. Was blinding used to prevent introduction of bias? N/A  N/A 
  6. Were intervention/therapeutic regimens/exposure factor or procedure and any comparison(s) described in detail? Were interveningfactors described? Yes  Yes 
  7. Were outcomes clearly defined and the measurements valid and reliable? Yes  Yes 
  8. Was the statistical analysis appropriate for the study design and type of outcome indicators? Yes  Yes 
  9. Are conclusions supported by results with biases and limitations taken into consideration? Yes  Yes 
  10. Is bias due to study's funding or sponsorship unlikely? Yes  Yes